Printable worksheet ยท 3 of 4
An indicator gives evidence about a solution - Paper 3
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Supplied indicator result for an aqueous sample at ordinary classroom conditions: its colour lies between the matching reference-chart bands pH 9 and pH 10. The chart cannot resolve a more exact value. Neutral is approximately pH 7 in this model. This is paper interpretation; do not taste or mix liquids, and do not infer handling safety from pH alone.
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